EP4209689A4 - Roulement à rouleaux - Google Patents

Roulement à rouleaux Download PDF

Info

Publication number: EP4209689A4
Authority: EP; European Patent Office
Prior art keywords: roller bearing; roller; bearing
Prior art date: 2020-09-02
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.): Granted

Application number

EP21864223.9A

Other languages

German (de)

English (en)

Other versions

EP4209689B1 (fr

EP4209689A1 (fr

Inventor

Hayato Kawaguchi

Toshiki Masuda

Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)

NTN Corp

Original Assignee

NTN Corp

NTN Toyo Bearing Co Ltd

Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)

2020-09-02

Filing date

2021-08-26

Publication date

2024-02-07

2021-08-26 Application filed by NTN Corp, NTN Toyo Bearing Co Ltd filed Critical NTN Corp

2023-07-12 Publication of EP4209689A1 publication Critical patent/EP4209689A1/fr

2024-02-07 Publication of EP4209689A4 publication Critical patent/EP4209689A4/fr

2025-03-05 Application granted granted Critical

2025-03-05 Publication of EP4209689B1 publication Critical patent/EP4209689B1/fr

Status Active legal-status Critical Current

2041-08-26 Anticipated expiration legal-status Critical

Links

Classifications

- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C19/00—Bearings with rolling contact, for exclusively rotary movement
- F16C19/02—Bearings with rolling contact, for exclusively rotary movement with bearing balls essentially of the same size in one or more circular rows
- F16C19/04—Bearings with rolling contact, for exclusively rotary movement with bearing balls essentially of the same size in one or more circular rows for radial load mainly
- F16C19/06—Bearings with rolling contact, for exclusively rotary movement with bearing balls essentially of the same size in one or more circular rows for radial load mainly with a single row or balls
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C35/00—Rigid support of bearing units; Housings, e.g. caps, covers
- F16C35/04—Rigid support of bearing units; Housings, e.g. caps, covers in the case of ball or roller bearings
- F16C35/06—Mounting or dismounting of ball or roller bearings; Fixing them onto shaft or in housing
- F16C35/07—Fixing them on the shaft or housing with interposition of an element
- F16C35/073—Fixing them on the shaft or housing with interposition of an element between shaft and inner race ring
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C19/00—Bearings with rolling contact, for exclusively rotary movement
- F16C19/52—Bearings with rolling contact, for exclusively rotary movement with devices affected by abnormal or undesired conditions
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C33/00—Parts of bearings; Special methods for making bearings or parts thereof
- F16C33/30—Parts of ball or roller bearings
- F16C33/58—Raceways; Race rings
- F16C33/583—Details of specific parts of races
- F16C33/586—Details of specific parts of races outside the space between the races, e.g. end faces or bore of inner ring
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C33/00—Parts of bearings; Special methods for making bearings or parts thereof
- F16C33/30—Parts of ball or roller bearings
- F16C33/58—Raceways; Race rings
- F16C33/62—Selection of substances
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C33/00—Parts of bearings; Special methods for making bearings or parts thereof
- F16C33/30—Parts of ball or roller bearings
- F16C33/58—Raceways; Race rings
- F16C33/64—Special methods of manufacture
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C35/00—Rigid support of bearing units; Housings, e.g. caps, covers
- F16C35/04—Rigid support of bearing units; Housings, e.g. caps, covers in the case of ball or roller bearings
- F16C35/06—Mounting or dismounting of ball or roller bearings; Fixing them onto shaft or in housing
- F16C35/07—Fixing them on the shaft or housing with interposition of an element
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C35/00—Rigid support of bearing units; Housings, e.g. caps, covers
- F16C35/04—Rigid support of bearing units; Housings, e.g. caps, covers in the case of ball or roller bearings
- F16C35/06—Mounting or dismounting of ball or roller bearings; Fixing them onto shaft or in housing
- F16C35/07—Fixing them on the shaft or housing with interposition of an element
- F16C35/077—Fixing them on the shaft or housing with interposition of an element between housing and outer race ring
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C41/00—Other accessories, e.g. devices integrated in the bearing not relating to the bearing function as such
- F16C41/002—Conductive elements, e.g. to prevent static electricity
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C2202/00—Solid materials defined by their properties
- F16C2202/02—Mechanical properties
- F16C2202/04—Hardness
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C2202/00—Solid materials defined by their properties
- F16C2202/30—Electric properties; Magnetic properties
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C2206/00—Materials with ceramics, cermets, hard carbon or similar non-metallic hard materials as main constituents
- F16C2206/40—Ceramics, e.g. carbides, nitrides, oxides, borides of a metal
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C2208/00—Plastics; Synthetic resins, e.g. rubbers
- F16C2208/20—Thermoplastic resins
- F16C2208/40—Imides, e.g. polyimide [PI], polyetherimide [PEI]
- F16C2208/42—Polyamideimide [PAI]
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C2208/00—Plastics; Synthetic resins, e.g. rubbers
- F16C2208/80—Thermosetting resins
- F16C2208/86—Epoxy resins
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C2223/00—Surface treatments; Hardening; Coating
- F16C2223/30—Coating surfaces
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C2300/00—Application independent of particular apparatuses
- F16C2300/20—Application independent of particular apparatuses related to type of movement
- F16C2300/22—High-speed rotation
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C2380/00—Electrical apparatus
- F16C2380/26—Dynamo-electric machines or combinations therewith, e.g. electro-motors and generators
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C33/00—Parts of bearings; Special methods for making bearings or parts thereof
- F16C33/30—Parts of ball or roller bearings
- F16C33/38—Ball cages
- F16C33/3837—Massive or moulded cages having cage pockets surrounding the balls, e.g. machined window cages
- F16C33/3862—Massive or moulded cages having cage pockets surrounding the balls, e.g. machined window cages comprising two annular parts joined together
- F16C33/3868—Massive or moulded cages having cage pockets surrounding the balls, e.g. machined window cages comprising two annular parts joined together made from metal, e.g. two cast parts joined by rivets

Landscapes

Engineering & Computer Science (AREA)
General Engineering & Computer Science (AREA)
Mechanical Engineering (AREA)
Manufacturing & Machinery (AREA)
Rolling Contact Bearings (AREA)
Mounting Of Bearings Or Others (AREA)

EP21864223.9A 2020-09-02 2021-08-26 Roulement à rouleaux Active EP4209689B1 (fr)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
JP2020147432A JP2022042162A (ja)	2020-09-02	2020-09-02	転がり軸受
PCT/JP2021/031325 WO2022050165A1 (fr)	2020-09-02	2021-08-26	Roulement à rouleaux

Publications (3)

Publication Number	Publication Date
EP4209689A1 EP4209689A1 (fr)	2023-07-12
EP4209689A4 true EP4209689A4 (fr)	2024-02-07
EP4209689B1 EP4209689B1 (fr)	2025-03-05

Family

ID=80490964

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
EP21864223.9A Active EP4209689B1 (fr)	2020-09-02	2021-08-26	Roulement à rouleaux

Country Status (6)

Country	Link
US (1)	US12241504B2 (fr)
EP (1)	EP4209689B1 (fr)
JP (2)	JP2022042162A (fr)
KR (1)	KR20230086661A (fr)
CN (1)	CN115917172A (fr)
WO (1)	WO2022050165A1 (fr)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
CN117685292A (zh) *	2022-09-05	2024-03-12	斯凯孚公司	球轴承和球轴承组件
KR20240130238A (ko) *	2023-02-21	2024-08-29	주식회사 베어링아트	전식 방지 베어링 및 그 제조 방법
JP2024140311A (ja)	2023-03-28	2024-10-10	パーカー熱処理工業株式会社	金属部品に絶縁皮膜と固体潤滑皮膜とを被覆する方法
DE102023207102A1 (de)	2023-07-26	2025-01-30	Aktiebolaget Skf	Wälzlager und Verfahren zu dessen Herstellung
DE102023207105A1 (de) *	2023-07-26	2025-01-30	Aktiebolaget Skf	Wälzlager und Verfahren zu dessen Herstellung
DE102023207109A1 (de)	2023-07-26	2025-01-30	Aktiebolaget Skf	Wälzlager und Verfahren zur dessen Herstellung
DE102023207106A1 (de)	2023-07-26	2025-01-30	Aktiebolaget Skf	Wälzlager und Verfahren zur dessen Herstellung
WO2025075160A1 (fr) *	2023-10-04	2025-04-10	ダイキン工業株式会社	Composition de revêtement, film, article et palier
JP2025150638A (ja) *	2024-03-27	2025-10-09	Ntn株式会社	転がり軸受
DE102024113735A1 (de) *	2024-05-16	2025-11-20	Schaeffler Technologies AG & Co. KG	Wälzlagerelement, Windkraftanlage und Verfahren zum Beschichten eines Wälzlagerelementes

Citations (4)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
JPH0653824U (ja) *	1992-09-14	1994-07-22	日本精工株式会社	電食防止形転がり軸受
DE10137785A1 (de) *	2000-08-04	2003-02-20	Ntn Toyo Bearing Co Ltd	Elektrokorrosionsbeständiger Wälzlageraufbau
US20170284468A1 (en) *	2016-04-05	2017-10-05	Schaeffler Technologies AG & Co. KG	Bearing ring with insulating coating
US20190003529A1 (en) *	2016-08-26	2019-01-03	Nsk Ltd.	Rolling bearing and production process therefor

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
JPS5510111A (en)	1978-07-04	1980-01-24	Nippon Seiko Kk	Roller bearing for preventing electrolytic corrosion
JPS6085626A (ja)	1983-10-17	1985-05-15	Mitsubishi Electric Corp	復号装置
JPS6085626U (ja)	1983-11-11	1985-06-13	光洋精工株式会社	ころがり軸受
JPH0548118Y2 (fr)	1986-08-28	1993-12-20
JP2571594B2 (ja) *	1988-01-14	1997-01-16	エヌティエヌ株式会社	電食防止型転がり軸受
JPH0653824A (ja)	1992-07-30	1994-02-25	Nec Corp	位相同期発振器
JP2002266870A (ja) *	2001-03-06	2002-09-18	Nsk Ltd	転がり軸受とその製造方法及び回転機械装置
JP2007292119A (ja) *	2006-04-21	2007-11-08	Ntn Corp	軸受、転動部材および転動部材の製造方法
JP2008095884A (ja) *	2006-10-13	2008-04-24	Ntn Corp	絶縁転がり軸受
JP2013036596A (ja) *	2011-08-11	2013-02-21	Ntn Corp	円すいころ軸受およびその取付構造
JP2013199954A (ja) *	2012-03-23	2013-10-03	Nsk Ltd	電食防止用絶縁転がり軸受
JP6724415B2 (ja) *	2016-02-26	2020-07-15	株式会社ジェイテクト	車輪用軸受装置
JP2019138467A (ja) *	2018-02-07	2019-08-22	株式会社ジェイテクト	電食防止軸受

2020
- 2020-09-02 JP JP2020147432A patent/JP2022042162A/ja active Pending
2021
- 2021-08-26 EP EP21864223.9A patent/EP4209689B1/fr active Active
- 2021-08-26 CN CN202180051792.3A patent/CN115917172A/zh active Pending
- 2021-08-26 KR KR1020237008496A patent/KR20230086661A/ko active Pending
- 2021-08-26 US US18/024,153 patent/US12241504B2/en active Active
- 2021-08-26 WO PCT/JP2021/031325 patent/WO2022050165A1/fr not_active Ceased
2025
- 2025-07-08 JP JP2025115046A patent/JP2025129410A/ja active Pending

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
JPH0653824U (ja) *	1992-09-14	1994-07-22	日本精工株式会社	電食防止形転がり軸受
DE10137785A1 (de) *	2000-08-04	2003-02-20	Ntn Toyo Bearing Co Ltd	Elektrokorrosionsbeständiger Wälzlageraufbau
US20170284468A1 (en) *	2016-04-05	2017-10-05	Schaeffler Technologies AG & Co. KG	Bearing ring with insulating coating
US20190003529A1 (en) *	2016-08-26	2019-01-03	Nsk Ltd.	Rolling bearing and production process therefor

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2022050165A1 *

Also Published As

Publication number	Publication date
JP2022042162A (ja)	2022-03-14
JP2025129410A (ja)	2025-09-04
KR20230086661A (ko)	2023-06-15
EP4209689B1 (fr)	2025-03-05
US12241504B2 (en)	2025-03-04
EP4209689A1 (fr)	2023-07-12
WO2022050165A1 (fr)	2022-03-10
CN115917172A (zh)	2023-04-04
US20230272820A1 (en)	2023-08-31

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